The security certificate for your secure connection to ICISnet Web Services, for the URLs https://www1.gsis.gr and https://login.gsis.gr, is about to expire (09/08/2022). 
The actions for it’s replacement, will start at 09-08-2022 12:00 pm(Local Time +3GMT). 

We inform you that the problem of limited availability of ICISnet applications has been fixed on Friday 21.02.2020 at 13:36.